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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
class TestNSDateComponents: XCTestCase {
func test_hash() {
let c1 = NSDateComponents()
c1.year = 2018
c1.month = 8
c1.day = 1
let c2 = NSDateComponents()
c2.year = 2018
c2.month = 8
c2.day = 1
XCTAssertEqual(c1, c2)
XCTAssertEqual(c1.hash, c2.hash)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.calendar,
throughValues: [
Calendar(identifier: .gregorian),
Calendar(identifier: .buddhist),
Calendar(identifier: .chinese),
Calendar(identifier: .coptic),
Calendar(identifier: .hebrew),
Calendar(identifier: .indian),
Calendar(identifier: .islamic),
Calendar(identifier: .iso8601),
Calendar(identifier: .japanese),
Calendar(identifier: .persian)])
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.timeZone,
throughValues: (-10...10).map { TimeZone(secondsFromGMT: 3600 * $0) })
// Note: These assume components aren't range checked.
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.era,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.year,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.quarter,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.month,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.day,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.hour,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.minute,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.second,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.nanosecond,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.weekOfYear,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.weekOfMonth,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.yearForWeekOfYear,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.weekday,
throughValues: 0...20)
checkHashing_NSCopying(
initialValue: NSDateComponents(),
byMutating: \NSDateComponents.weekdayOrdinal,
throughValues: 0...20)
// isLeapMonth does not have enough values to test it here.
}
func test_copyNSDateComponents() {
let components = NSDateComponents()
components.year = 1987
components.month = 3
components.day = 17
components.hour = 14
components.minute = 20
components.second = 0
let copy = components.copy(with: nil) as! NSDateComponents
XCTAssertTrue(components.isEqual(copy))
XCTAssertTrue(components == copy)
XCTAssertFalse(components === copy)
XCTAssertEqual(copy.year, 1987)
XCTAssertEqual(copy.month, 3)
XCTAssertEqual(copy.day, 17)
XCTAssertEqual(copy.isLeapMonth, false)
//Mutate NSDateComponents and verify that it does not reflect in the copy
components.hour = 12
XCTAssertEqual(components.hour, 12)
XCTAssertEqual(copy.hour, 14)
}
func test_dateDifferenceComponents() {
// 1970-01-01 00:00:00
let date1 = Date(timeIntervalSince1970: 0)
// 1971-06-21 00:00:00
let date2 = Date(timeIntervalSince1970: 46310400)
// 2286-11-20 17:46:40
let date3 = Date(timeIntervalSince1970: 10_000_000_000)
// 2286-11-20 17:46:41
let date4 = Date(timeIntervalSince1970: 10_000_000_001)
// The date components below assume UTC/GMT time zone.
guard let timeZone = TimeZone(abbreviation: "UTC") else {
XCTFail("Unable to create UTC TimeZone for Test")
return
}
var calendar = Calendar.current
calendar.timeZone = timeZone
let diff1 = calendar.dateComponents([.month, .year, .day], from: date1, to: date2)
XCTAssertEqual(diff1.year, 1)
XCTAssertEqual(diff1.month, 5)
XCTAssertEqual(diff1.day, 20)
XCTAssertNil(diff1.era)
XCTAssertNil(diff1.yearForWeekOfYear)
XCTAssertNil(diff1.quarter)
XCTAssertNil(diff1.weekOfYear)
XCTAssertNil(diff1.weekOfMonth)
XCTAssertNil(diff1.weekdayOrdinal)
XCTAssertNil(diff1.weekday)
XCTAssertNil(diff1.hour)
XCTAssertNil(diff1.minute)
XCTAssertNil(diff1.second)
XCTAssertNil(diff1.nanosecond)
XCTAssertNil(diff1.calendar)
XCTAssertNil(diff1.timeZone)
let diff2 = calendar.dateComponents([.weekOfMonth], from: date2, to: date1)
XCTAssertEqual(diff2.weekOfMonth, -76)
let diff3 = calendar.dateComponents([.weekday], from: date2, to: date1)
XCTAssertEqual(diff3.weekday, -536)
let diff4 = calendar.dateComponents([.weekday, .weekOfMonth], from: date1, to: date2)
XCTAssertEqual(diff4.weekday, 4)
XCTAssertEqual(diff4.weekOfMonth, 76)
let diff5 = calendar.dateComponents([.weekday, .weekOfYear], from: date1, to: date2)
XCTAssertEqual(diff5.weekday, 4)
XCTAssertEqual(diff5.weekOfYear, 76)
let diff6 = calendar.dateComponents([.month, .weekOfMonth], from: date1, to: date2)
XCTAssertEqual(diff6.month, 17)
XCTAssertEqual(diff6.weekOfMonth, 2)
let diff7 = calendar.dateComponents([.weekOfYear, .weekOfMonth], from: date2, to: date1)
XCTAssertEqual(diff7.weekOfYear, -76)
XCTAssertEqual(diff7.weekOfMonth, 0)
let diff8 = calendar.dateComponents([.era, .quarter, .year, .month, .day, .hour, .minute, .second, .nanosecond, .calendar, .timeZone, .isLeapMonth], from: date2, to: date3)
XCTAssertEqual(diff8.era, 0)
XCTAssertEqual(diff8.year, 315)
XCTAssertEqual(diff8.quarter, 0)
XCTAssertEqual(diff8.month, 4)
XCTAssertEqual(diff8.day, 30)
XCTAssertEqual(diff8.hour, 17)
XCTAssertEqual(diff8.minute, 46)
XCTAssertEqual(diff8.second, 40)
XCTAssertEqual(diff8.nanosecond, 0)
XCTAssertNil(diff8.isLeapMonth)
XCTAssertEqual(diff8.calendar, calendar)
XCTAssertNil(diff8.timeZone)
let diff9 = calendar.dateComponents([.era, .quarter, .year, .month, .day, .hour, .minute, .second, .nanosecond, .calendar, .timeZone, .isLeapMonth], from: date4, to: date3)
XCTAssertEqual(diff9.era, 0)
XCTAssertEqual(diff9.year, 0)
XCTAssertEqual(diff9.quarter, 0)
XCTAssertEqual(diff9.month, 0)
XCTAssertEqual(diff9.day, 0)
XCTAssertEqual(diff9.hour, 0)
XCTAssertEqual(diff9.minute, 0)
XCTAssertEqual(diff9.second, -1)
XCTAssertEqual(diff9.nanosecond, 0)
XCTAssertNil(diff9.isLeapMonth)
XCTAssertEqual(diff9.calendar, calendar)
XCTAssertNil(diff9.timeZone)
}
func test_nanoseconds() throws {
// 1971-06-21 00:00:00
let date1 = Date(timeIntervalSince1970: 46310400)
// 1971-06-21 00:00:00.00123
let date2 = Date(timeIntervalSince1970: 46310400.00123)
// 1971-06-24 00:16:40:00123
let date3 = Date(timeIntervalSince1970: 46570600.45678)
var calendar = Calendar.current
calendar.timeZone = try XCTUnwrap(TimeZone(abbreviation: "UTC"))
let diff1 = calendar.dateComponents([.nanosecond], from: date1, to: date2)
XCTAssertEqual(diff1.nanosecond, 1230001)
let diff2 = calendar.dateComponents([.nanosecond], from: date1, to: date2)
XCTAssertEqual(diff2.nanosecond, 1230001)
let diff3 = calendar.dateComponents([.day, .minute, .second, .nanosecond], from: date2, to: date3)
XCTAssertEqual(diff3.day, 3)
XCTAssertEqual(diff3.minute, 16)
XCTAssertEqual(diff3.second, 40)
XCTAssertEqual(diff3.nanosecond, 455549955)
let diff4 = calendar.dateComponents([.day, .minute, .second, .nanosecond], from: date3, to: date2)
XCTAssertEqual(diff4.day, -3)
XCTAssertEqual(diff4.minute, -16)
XCTAssertEqual(diff4.second, -40)
XCTAssertEqual(diff4.nanosecond, -455549955)
}
func test_currentCalendar() {
let month = Calendar.current.dateComponents([.month], from: Date(timeIntervalSince1970: 1554678000)).month // 2019-04-07 23:00:00.000 Sunday
XCTAssertEqual(month, 4)
let components = Calendar.current.dateComponents(in: TimeZone(secondsFromGMT: 0)!, from: Date(timeIntervalSince1970: 1554678000))
XCTAssertEqual(components.year, 2019)
XCTAssertEqual(components.month, 4)
XCTAssertEqual(components.hour, 23)
let d1 = Date.init(timeIntervalSince1970: 1529431200.0) // 2018-06-19 18:00:00 +0000
let d2 = Date.init(timeIntervalSince1970: 1529604000.0) // 2018-06-21 18:00:00 +0000
XCTAssertEqual(Calendar.current.compare(d1, to: d2, toGranularity: .month), .orderedSame)
XCTAssertEqual(Calendar.current.compare(d1, to: d2, toGranularity: .weekday), .orderedAscending)
XCTAssertEqual(Calendar.current.compare(d2, to: d1, toGranularity: .weekday), .orderedDescending)
}
}
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